intransitive. To wander, go astray; to err, be deluded.

intransitive. To be or become mad. Cf. awede, v.

intransitive. To be overcome with anger, madness, or distress; to lose control of one's senses; to rave.

With reference to various mental states associated with the manner of looking or gazing described at… intransitive. To open the eyes wide in madness…

intransitive. To start, usually out of sleep or a swoon; to awake; also to start or burst into motion; to rush, spring, or dart; figurative to…

intransitive. Originally: †to be mad, to show signs of madness or delirium (obsolete). Later: to speak or declaim wildly, irrationally, or…

The state of being remembered; remembrance, recollection. Chiefly in phrases. out of mind (also †from mind): forgotten. Chiefly in phrases to be o…

intransitive. To go mad; to rave, rage (also figurative).

The healthy or normal condition of the mental faculties; mental balance; sanity. Now chiefly in phrases indicating (in negative contexts) the…

intransitive. To be or to become mad; to act like a madman, rage, behave furiously. Obsolete (archaic in later use).

To drop the practice of (a duty, virtue, etc.); to lose the use of (one's senses). to forget to do = to forget how to do (something). Obsolete.

To pass into a certain state or condition (often implying deterioration). intransitive. With adjective or prepositional phrase as complement. To…

Phrase. to wede (out) of, but wit.

intransitive. To be or become a fool; to act or behave irrationally. Obsolete.

literal.

intransitive. To be or become mad or frantic.

Of people or animals. intransitive. To go or be mad; to act insanely. Obsolete.

figurative. To fall, into (anger, madness).

intransitive. To be or become mad; to be confused in mind; to be dotingly fond (with after, of).

The action of mad, v.; madness; mad behaviour. By the 19th cent., only in phrases (archaic or regional) to go (also †run, set) a-madding (or †on ma…

figurative. A witty or cutting remark. Chiefly in pass of pate, pass of wit. rare.

to have a gad-bee in one's brain: to be mentally disturbed. Cf. bee, n.1 4a. Obsolete. rare.

intransitive. To become mad. (In quots. 1704, 1734 perhaps: to act like a madman.) Obsolete.

to go (also be) off at the nail: to behave strangely; to go mad; to be off one's head.

intransitive. To become distracted, go mad. Obsolete. rare.

intransitive. To become crazy, go mad.

chiefly Australian and New Zealand. to get a rat and variants: to be deranged; to be seized by wild notions. Now disused.

colloquial (originally U.S.). to need (to have) one's head examined (also checked, read) and variants: used to suggest that one's actions…

Colloquial phrase (to have) bats in the belfry: (to be) crazy or eccentric. Similarly (rare) to take the bats. Hence bats = batty, adj., used esp…

In various phrases. to have straws in one's hair (and variants): to be insane, eccentric, or distracted.

Colloquial phrase (to have) bats in the belfry: (to be) crazy or eccentric. Similarly (rare) to take the bats. Hence bats = batty, adj., used esp…

spec. in to go haywire, to go wrong; to become excited or distracted, to become mentally unbalanced. colloquial (originally U.S.).

colloquial. to go mental: to become mentally unbalanced; (later chiefly) to lose one's self-control, give way to overwhelming emotion (frequently…

Mentally disturbed from exposure to a tropical climate (originally on war service); hence: crazy, mad. Frequently in to go troppo.

intransitive. See also to come apart at the seams (see seam, n.1 1d). Of a person: to become mentally unbalanced; to lose emotional composure. Cf. to…